期刊
RSC ADVANCES
卷 6, 期 29, 页码 24667-24674出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra01989g
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资金
- Korea Science and Engineering Foundation (KOSEF) - Korean government (MEST) [2015-021048]
- Research Institute of Industrial Science Technology
- NRF (National Research Foundation of Korea) - Korean Government
Natural graphite is labelled as a supply riskmaterial due to rapidly increasing demand and limited reserves. The conventional method for the production of synthetic graphite has relied on the thermal heating at an extremely high temperature, 3000 degrees C, and long processing time, typically 2 weeks. Here, we report a novel and efficient method of graphitization using microwave heating with metal catalysts. The amorphous carbon powders turned into crystalline graphite in 5 minutes. Ideas for the scale-up of this work were proposed. In addition, numerical analysis revealed that the Maxwell-Wagner-Sillars polarization is inadequate for the mechanism underlying the microwave heating of solid carbon materials.
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